﻿#Region "Copyright"

' Copyright 2007 Ben Reichelt - http://benreichelt.net
' 
' Licensed under the Apache License, Version 2.0 (the "License");
' you may not use this file except in compliance with the License.
' You may obtain a copy of the License at
' 
'     http://www.apache.org/licenses/LICENSE-2.0
' 
' Unless required by applicable law or agreed to in writing, software
' distributed under the License is distributed on an "AS IS" BASIS,
' WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
' See the License for the specific language governing permissions and
' limitations under the License.


#End Region

Public Class BaseAggregateTask(Of T)
    Inherits BaseMetaDataTask

    Public Overrides Sub Execute(ByVal metaData As XmlMetaData, ByVal context As AppContext)
        Dim items As List(Of T) = FindAggregateItems(metaData)
        For Each item As T In items
            ExecuteCore(item, context)
        Next
    End Sub

    Protected Overridable Function FindAggregateItems(ByVal metaData As XmlMetaData) As List(Of T)
        Return New List(Of T)
    End Function

    Protected Overridable Sub ExecuteCore(ByVal item As T, ByVal context As AppContext)
        context.Logger.WriteLine(LogMessage)
        Return
    End Sub

End Class
